package com.lx.netty.first;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.*;
import io.netty.util.CharsetUtil;

import java.net.URI;
import java.util.Arrays;

public class TestHttpServerHandler extends SimpleChannelInboundHandler<HttpObject> {

    @Override
    protected void channelRead0(ChannelHandlerContext ctx, HttpObject msg) throws Exception {
        System.out.println(msg.getClass());

        System.out.println(ctx.channel().remoteAddress());
        Thread.sleep(8);

        if(msg instanceof HttpRequest){
            HttpRequest httpRequest = (HttpRequest) msg;
            System.out.println("请求方法名：" + httpRequest.method().name());
            URI uri = new URI(httpRequest.uri());
            if("/favicon.ico".equals(uri.getPath())){
                System.out.println("请求 "+uri.getPath());
                return;
            }


        }


        ByteBuf content = Unpooled.copiedBuffer("Hello World", CharsetUtil.UTF_8);

        FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK, content);
        response.headers().set(HttpHeaderNames.CONTENT_TYPE, "text/plain");
        response.headers().set(HttpHeaderNames.CONTENT_LENGTH, content.readableBytes());

        ctx.writeAndFlush(response);
        ctx.channel().close();
    }

    @Override
    public void channelRegistered(ChannelHandlerContext ctx) throws Exception {
        System.out.println(Thread.currentThread().getStackTrace()[1].getMethodName());
        super.channelRegistered(ctx);
    }

    @Override
    public void channelUnregistered(ChannelHandlerContext ctx) throws Exception {
        System.out.println(Thread.currentThread().getStackTrace()[1].getMethodName());
        super.channelUnregistered(ctx);
    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        System.out.println(Thread.currentThread().getStackTrace()[1].getMethodName());
        super.channelActive(ctx);
    }

    @Override
    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
        System.out.println(Thread.currentThread().getStackTrace()[1].getMethodName());
        super.channelInactive(ctx);
    }

    @Override
    public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
        System.out.println(Thread.currentThread().getStackTrace()[1].getMethodName());
        super.handlerAdded(ctx);
    }

    @Override
    public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
        System.out.println(Thread.currentThread().getStackTrace()[1].getMethodName());
        super.handlerRemoved(ctx);
    }
}
